#57B41B#57B41B

#57B41B is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 68.6% C 0.198 H 136.9°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#57B41B
RGB	rgb(87, 180, 27)
HSL	hsl(96, 74%, 41%)
HSV	hsv(96, 85%, 71%)
CMYK	cmyk(51.7%, 0%, 85%, 29.4%)
CIE-LAB	lab(65.55, -51.91, 61.78)
CIE-LCH	lch(65.55, 80.69, 130.04°)
OKLab	oklab(68.59% -0.1445 0.1353)
OKLCH	oklch(68.59% 0.198 136.9)
XYZ	xyz(20.4489, 34.7464, 6.6659)
Luminance	0.3475 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B41B #781BB4

analogous

#A3B41B #57B41B #1BB42C

triadic

#57B41B #1B57B4 #B41B57

tetradic

#57B41B #1BA3B4 #781BB4 #B42C1B

square

#57B41B #1BA3B4 #781BB4 #B42C1B

split-complementary

#57B41B #2C1BB4 #B41BA3

monochromatic

#244A0B #3D7F13 #57B41B #73DF2D #96E762

Accessibility & contrast

On white

2.64

#57B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#57B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B41B

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B41B	#FFFFFF	#000000	##000000
##57B41B	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AE9C30

Tritanopia (blue-blind)

#51AD99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57b41b;
/* rgb */ color: rgb(87, 180, 27);
/* oklch */ color: oklch(68.6% 0.198 136.9);

Tailwind

colors: {
  custom: {
    50: '#90cb68',
    500: '#57b41b',
    950: '#000000',
  },
}

SCSS

$custom: #57b41b;
$custom-light: #90cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#57b41b",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 96.471,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.68586,
    "c": 0.19795,
    "h": 136.9
  },
  "luminance": 0.34748
}

Semantic roles & 50–950 ramp

primary

#57B41B

secondary

#A15FCC

accent

#37F1A8

background

#F9FCF6

surface

#F2F9EB

border

#CCD2C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #57B41B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →